TM-9-2815-220-24

AVDS-1790 2CA, 2DA and 2DR Air-Cooled 12-Cylinder Diesel Engines

TECHNICAL MANUAL; UNIT, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL FOR AVDS-1790 2CA, 2DA and 2DR Air-Cooled 12-Cylinder Diesel Engines

TM-9-2815-220-24 - Page 1220 of 1563

TM 9-2815-220-24

CONNECTING ROD ASSEMBLY REPAIR

0143 00

REPAIR

1. Replace worn or damaged connecting rod sleeve-bearing (7).

a. Remove old sleeve bearing (7) using fixture (11) with sleeve (12) and guide (13).

WARNING

Wear gloves when handling hot or cold parts.

Failure to

comply may result in personal injury.

b. Heat connecting rod (1) to 250 °F (121.1 °C) for approximately 20 minutes.

c. Chill sleeve-bearing (7) to 35 °F (-1.6 °C).

d. Place connecting rod (1) on fixture (11) (item 5, WP 0177).

e. Install sleeve-bearing (7) using fixture (11) and guide (14).

f. Burnish to seat bearing (12), then finish ream to 2.1275 to 2.1277 inches (54.0385 to

54.04358 mm).

Check that bore centers are maintained as in step 6 of Inspection.

11

7

12

13

6

14

Mandrel Assembly

WP 0143 00-10